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author | Denys Vlasenko | 2010-03-27 23:23:41 +0100 |
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committer | Denys Vlasenko | 2010-03-27 23:23:41 +0100 |
commit | 9107b63a7fb80fcab0da71cf12e8c81dfc394d20 (patch) | |
tree | 566be6323a69a09949110349e720e33d7dd66fb2 /networking/udhcp/dhcpc.c | |
parent | c2fdd41f5f97349f23b2a66592b9b29834faabaf (diff) | |
download | busybox-9107b63a7fb80fcab0da71cf12e8c81dfc394d20.zip busybox-9107b63a7fb80fcab0da71cf12e8c81dfc394d20.tar.gz |
udhcp: abort if we see unknown option, and show valid options if so
function old new delta
udhcp_option_idx - 77 +77
udhcp_str2optset 366 351 -15
udhcpc_main 2845 2801 -44
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(add/remove: 1/0 grow/shrink: 0/2 up/down: 77/-59) Total: 18 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/udhcp/dhcpc.c')
-rw-r--r-- | networking/udhcp/dhcpc.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/networking/udhcp/dhcpc.c b/networking/udhcp/dhcpc.c index 478ca5c..c36d418 100644 --- a/networking/udhcp/dhcpc.c +++ b/networking/udhcp/dhcpc.c @@ -879,21 +879,17 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv) client_config.no_default_options = 1; while (list_O) { char *optstr = llist_pop(&list_O); - int n = index_in_strings(dhcp_option_strings, optstr); - if (n < 0) - bb_error_msg_and_die("unknown option '%s'", optstr); + unsigned n = udhcp_option_idx(optstr); n = dhcp_options[n].code; client_config.opt_mask[n >> 3] |= 1 << (n & 7); } while (list_x) { - int n; + unsigned n; char *optstr = llist_pop(&list_x); char *colon = strchr(optstr, ':'); if (colon) *colon = '\0'; - n = index_in_strings(dhcp_option_strings, optstr); - if (n < 0) - bb_error_msg_and_die("unknown option '%s'", optstr); + n = udhcp_option_idx(optstr); if (colon) *colon = ' '; udhcp_str2optset(optstr, &client_config.options); |